//
// CategoriesDocumentFormatter.cs
//
// Author:
//	Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2009 Novell, Inc.  http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.Xml;

namespace System.ServiceModel.Syndication
{
	[DataContract]
	public abstract class CategoriesDocumentFormatter
	{
		protected CategoriesDocumentFormatter ()
		{
		}

		protected CategoriesDocumentFormatter (CategoriesDocument documentToWrite)
		{
			SetDocument (documentToWrite);
		}

		public CategoriesDocument Document { get; private set; }

		public abstract string Version { get; }


		public abstract bool CanRead (XmlReader reader);

		protected virtual InlineCategoriesDocument CreateInlineCategoriesDocument ()
		{
			return new InlineCategoriesDocument ();
		}

		protected virtual ReferencedCategoriesDocument CreateReferencedCategoriesDocument ()
		{
			return new ReferencedCategoriesDocument ();
		}

		public abstract void ReadFrom (XmlReader reader);

		protected virtual void SetDocument (CategoriesDocument document)
		{
			if (document == null)
				throw new ArgumentNullException ("document");
			Document = document;
		}

		public abstract void WriteTo (XmlWriter writer);
	}
}
